PDB Statistics: PDB Data Distribution by Molecular Weight (Entity)

Molecular weight is calculated for each chemically distinct component of a PDB structure, e.g. protein, nucleic acid.

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Molecular Weight (Daltons)Number of Entities
< 5K32283
5K - 10K31725
10K - 15K51130
15K - 20K39607
20K - 25K39470
25K - 30K32766
30K - 35K23864
35K - 40K20845
40K - 45K15737
45K - 50K11335
50K - 55K8960
55K - 60K6534
60K - 65K4861
65K - 70K3237
70K - 75K2249
>= 75K16161